| Index: content/browser/web_contents/web_contents_impl.cc
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| diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
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| index a93eea7e70809ddf518856e59d4eeb4eb79a8e96..f8bd56c202e7aa4c144bd29f6ab87ef9fdb1d07a 100644
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| --- a/content/browser/web_contents/web_contents_impl.cc
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| +++ b/content/browser/web_contents/web_contents_impl.cc
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| @@ -2788,6 +2788,12 @@ void WebContentsImpl::DidRedirectNavigation(
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|                      DidRedirectNavigation(navigation_handle));
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|  }
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|  
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| +void WebContentsImpl::AboutToCommitNavigation(
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| +    NavigationHandle* navigation_handle) {
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| +  FOR_EACH_OBSERVER(WebContentsObserver, observers_,
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| +                    AboutToCommitNavigation(navigation_handle));
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| +}
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| +
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|  void WebContentsImpl::DidCommitNavigation(NavigationHandle* navigation_handle) {
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|    FOR_EACH_OBSERVER(WebContentsObserver, observers_,
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|                      DidCommitNavigation(navigation_handle));
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| 
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